Home / 113,602.56-156,778.38-62,615.22

Finding the Fourth Proportional to 113,602.56, 156,778.38 and 62,615.22

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Solution

The fourth proportional to 113,602.56, 156,778.38 and 62,615.22 is: 86,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,602.56 : 156,778.38 = 62,615.22 : x
  2. Step 2: Convert to fraction form
    113,602.56/156,778.38 = 62,615.22/x
  3. Step 3: Cross multiply
    113,602.56x = 156,778.38 × 62,615.22
  4. Step 4: Simplify right side
    113,602.56x = 9,816,712,754.94
  5. Step 5: Solve for x
    x = 9,816,712,754.94/113,602.56
  6. Step 6: Final answer
    x = 86,412.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.